404. That’s an error.
The requested URL /_/+1/confirm?hl=ja&url=https://xn--uckgg3b1b6d1eqi8202etvd.com/%E3%81%8B%E3%82%8F%E3%81%84%E3%81%84%E4%BC%8A%E9%87%8E%E5%B0%BE%E6%85%A7%E3%81%AE%E9%AB%AA%E5%9E%8B%E3%80%81%E3%83%8F%E3%82%B2%E3%81%A6%E3%82%8B%EF%BC%81%EF%BC%9F%E5%BD%BC%E5%A5%B3%E3%81%AF%E5%A5%B3/
was not found on this server. That’s all we know.